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7.7 Fans and fan connections

Figure 27: Fans with EC motors (P

= 700 W) - Electrical connections: Motor junction box

Caution:

Water penetration on the leads or wires. Water enters at the cable end on the customer's

side and may damage the device.

Caution:

The maximum air temperature for an EC fan package is 60 ... 65 °C.

Fan packages with IEC motors

Note:

This option is only for SR

™

models.

The fans are direct driven axial fans. The fan motors are 3-phase squirrel-cage motors built according to the

IEC standards, designed for outdoor use and provided with condensing water outlets, shaft seals and self-

lubricating bearings. The motors are suitable for 400 V/690 V 50/60 Hz electric network. Their protection class,

except for condensing water outlet, is IP54 or IP55 (excluding waterholes) as a standard. The motors are

prewired to the service switches (IP65).
Ask the liquid cooler manufacturer about the technical data of the fan motors.
If the unit stands inactive for a long period, we recommend you to anticondensate the heater installation to the

fan motors.
When using inverter with the fan motors, ensure that you do not exceed the recommended cable lengths and

that the fan motors are sufficiently protected from excessive du/dt and overvoltage spikes.

Note:

Check the product nameplate about motor electrical connections.

Alfa LU-VE, Rev-04

Alfa LU-VE is a trademark registered and owned by LU-VE Group.

Alfa LU-VE reserves the right to change specifications without prior notification.

Содержание AlfaSolar S

Страница 1: ...AlfaSolar S SR Air Cooled Liquid Coolers Instruction manual ORIGINAL INSTRUCTIONS No 9460157273 04...

Страница 2: ...ransport and storage 25 6 1 Lifting package 25 6 2 Unloading unit from standard truck 26 6 2 1 Unloading horizontal unit from container Container on ground level 27 6 2 2 Unloading horizontal units fr...

Страница 3: ...Operation 68 8 1 Startup 68 8 2 Shutdown 68 9 Service instructions 70 9 1 Service inspection 70 9 2 Stepping on unit 72 9 3 Filling liquid cooler with fluid 73 9 4 Draining liquid cooler 74 9 5 Chang...

Страница 4: ...Korolev Moscow region Russian Federation 141060 Tel switchboard 7 495 232 12 50 Fax switchboard 7 495 232 25 73 alfa luvegroup com Visit alfa luvegroup com to get detailed contact information Newest...

Страница 5: ...tices Inert gas must be charged into piping during welding System must be thoroughly leak checked and evacuated before initial charging As standard the electrical connections must comply with the foll...

Страница 6: ...particular importance 3 2 Warning symbols The following warning symbols are used in this instruction manual General warning Risk of malfunctioning and or damage Overhead load Never stand or walk belo...

Страница 7: ...with water Do not attempt to extinguish with water Disconnect all voltages sources in the control panel No open flame Fire open ignition source and smoking prohibited Keep ignition sources away Do no...

Страница 8: ...on properties Disconnect before carrying out maintenance or repair Inactivate the electrical system and secure it against switching on accidentally before starting installation maintenance or repairs...

Страница 9: ...ns of complex nature in particular situations or whenever agreed with the user This person may master mechanical and or electrician and or hardware and or software skills as required 3 6 Residual risk...

Страница 10: ...RNING Always install the units in a place with no entrance for outsiders WARNING Do not walk or step over unprotected heat transfer section since besides being damaged it can generate an accident or a...

Страница 11: ...pressurized parts when the unit is empty WARNING In operation the heat transfer section and pipe temperatures exceed 45 C Contact may cause burns Use hand protection Hot air over the unit when the un...

Страница 12: ...t for five minutes after disconnecting the voltage at all poles before opening the device WARNING Fans with Inverter Terminals and connections have voltage even in a unit that is shut off Electric sho...

Страница 13: ...ection use protection glasses safety gloves safety shoes and other personal protection WARNING Depending on the installation and operating conditions a sound pressure level greater than 70 dB A may ar...

Страница 14: ...user is in charge of the periodic inspection of the safety devices installed on the air heat exchanger AHE according to the national regulations 3 7 Additional remarks Caution The venting draining val...

Страница 15: ...energy sources 4 Release any stored energy capacitors transformers etc 5 Ensure that all employees working on the equipment have their personal locks in place 6 Prior to servicing the equipment ensure...

Страница 16: ...not work on electrical circuits greater than 600 volts unless you have specific training Suspend work or have a shelter during adverse weather conditions Use a certified insulated mat to stand on whi...

Страница 17: ...cal power tools are double insulated or have a ground plug Use Ground Fault Circuit Interrupters GFCI Inspect power tools insulated hand tools and electrical cords for damage Do not use damaged tools...

Страница 18: ...s and heat transfer tubes is suitable for ambient conditions The air must be clean of any particles which together with humidity or any other solvent might form corrosive combinations on fins or heat...

Страница 19: ...umentation Note With Solar S models only limited options are available 5 2 Technical data Design basic Alfa LU VE Rev 04 19 Alfa LU VE is a trademark registered and owned by LU VE Group Alfa LU VE res...

Страница 20: ...ight month year of manufacture and if required CE or EAC marking CE marking is available for SR models on request Product labels Table 1 Product labels Centre of gravity When lifting the unit with a f...

Страница 21: ...ply before any maintenance or installation operation Hot surface warning Lifting points H position lifting In out Fluid connections inlet and outlet Eurovent Product is included in Eurovent Certify al...

Страница 22: ...oler Operation notes Low Temperature circuit only for two circuit models Identifies the Low Temperature circuit High Temperature circuit only for two circuit models Identifies the High Temperature cir...

Страница 23: ...the left SD SRD wide coil units in dual fan row is in the middle and single fan row on the right Figure 1 AlfaSolar S SR series vertical air flow SM SRM narrow coil single fan row unit is on the left...

Страница 24: ...D wide coil units in dual fan row is on the right Figure 3 AlfaSolar SR series FD models vertical air flow SM SRM narrow coil single fan row unit is on the left SD SRD wide coil units in dual fan row...

Страница 25: ...rks must be longer than 2 5 m and fully inserted under the unit Position the forks to the maximum width over the area supported by the pallet Only lift an empty unit Figure 5 Correct lifting of AlfaSo...

Страница 26: ...support are delivered loose in the same package The lifting turning lugs and turning supports not included in the FD units are only delivered with the models packed in an upright position A horizonta...

Страница 27: ...pull out the unit Attach the hooks on both pull out plates mounted on the wooden pallet 2 Use wooden balks under the unit to prevent fall impacts 3 When the unit is pulled out remove the pallet Lift...

Страница 28: ...the lifting crane holds up the unit remove the fork lift and lift the unit out of the container 6 2 3 Unloading vertical units from container Container on ground level 1 Use a chain with hooks to pull...

Страница 29: ...Container on wheels 1 Use a chain with hooks to pull out the unit Attach the hooks on both pull out plates mounted on the wooden pallet 2 Hold up the end of the unit and continue pulling out Note Noti...

Страница 30: ...allet Option Counter flanges and gaskets Wooden box installed to the pallet Option Vibration dampers Installed to the pallet Option Expansion joints and gaskets Wooden box installed to the pallet The...

Страница 31: ...ise the legs are delivered separately Note Do not lift the unit with the pallet when high mounting legs are mounted on the pallet Figure 8 High mounting legs packing arrangement for truck and containe...

Страница 32: ...logging or decay and to prevent water running into the package Also make sure that the vent holes on the package are clean to enable inside moisture evaporation If there is moisture between the liquid...

Страница 33: ...ts or slings with hooks used for lifting keep the equipment balanced 3 Do not lift the unit with a crane before removing the pallet from under the unit Do not stand under the unit when it is hanging C...

Страница 34: ...o turning supports with locking bolts are included in the delivery of the AlfaSolar S SR units Note Remove the locking bolts before installing the turning supports to the unit Figure 12 Turning suppor...

Страница 35: ...the turning supports into the leg profile until it reaches the fitting bolts b Place a turning support beneath each lifting eye c Lock the turning support into the leg with a locking bolt remove the l...

Страница 36: ...ntre of gravity Drive the crane into the turning position and put the unit down slowly into horizontal position 6 Remove the lifting turning lugs from the unit Alfa LU VE Rev 04 36 Alfa LU VE is a tra...

Страница 37: ...eplate Table 2 SM and SD models Distance between lifting points Unit SM Distance between lifting points A mm Unit dry weight kg Unit SD Distance between lifting points A mm Unit dry weight Unit SD Dis...

Страница 38: ...5 1400 689 3B 5 1800 1312 6C 5 8400 2775 3A 6 1400 750 3B 6 1800 1430 6C 6 8400 3050 3B 3 1800 655 3C 3 2100 1178 7A 3 4200 2019 3B 4 1800 733 3C 4 2100 1315 7A 4 4200 2233 3B 5 1800 812 3C 5 2100 14...

Страница 39: ...4 1400 440 2A 4 2800 950 5B 3 5400 2400 2870 1A 5 1400 470 2A 5 2800 1020 5B 5 5400 2620 3090 1A 6 1400 490 2A 6 2800 1080 5B 6 5400 2830 3300 1B 3 1800 390 2B 3 3600 960 1160 5C 4 6300 2310 2780 1B...

Страница 40: ...920 5B 3 5400 1330 5A 4 4200 1780 5B 4 5400 1530 5A 3 4200 2010 5B 5 5400 1670 5A 5 4200 2180 5B 6 5400 1810 5A 6 4200 2340 6 5 Storage Do not store the products in humid outdoor spaces where water ma...

Страница 41: ...orizontal position If the fan guards are delivered separately install them before taking the unit into use Trouble free operation of the liquid coolers provides good air venting of the units Use the v...

Страница 42: ...is max 2 0 Nm For electric connections the max torque for the screws PZ2 1x5 is 1 8 Nm 7 3 Positioning 7 3 1 Individual units Position air cooled liquid coolers so that there is no obstruction to the...

Страница 43: ...low unit Figure 13 Positioning of horizontal air flow unit Effect of wind direction Alfa LU VE Rev 04 43 Alfa LU VE is a trademark registered and owned by LU VE Group Alfa LU VE reserves the right to...

Страница 44: ...ow unit Figure 15 Fans in one row wall higher than unit height Figure 16 Fans in two rows wall higher than unit height Alfa LU VE Rev 04 44 Alfa LU VE is a trademark registered and owned by LU VE Grou...

Страница 45: ...t Alfa LU VE sales representative for more information 7 4 Setup for installation Horizontal air flow models induced fans You can install the horizontal air flow models directly Remove the lifting lug...

Страница 46: ...o the lower point of the fan collar is ca 550 mm Install also the horizontal supports for the legs See Figure 19 FD model installation with legs on page 46 When you install the unit on a basement you...

Страница 47: ...rk a long time over the unit when it is operating Install the external tubes so that their weight vibration or heat expansion does not strain the tubes of the heat transfer section You can use flexibl...

Страница 48: ...when vibration dampers are in use the casing is painted or the basement is not conductive 7 7 Fans and fan connections WARNING Only an authorized electrician may perform the electric connections Alfa...

Страница 49: ...or S SR models Figure 24 IEC fan package for SR models Figure 25 Fan motor identification Alfa LU VE Rev 04 49 Alfa LU VE is a trademark registered and owned by LU VE Group Alfa LU VE reserves the rig...

Страница 50: ...sure Danger of burn injuries Ensure that you have sufficient protection against accidental contact The fan package is suitable for 380 420 V 50 60 Hz electric network The protection glass is IP54 as t...

Страница 51: ...Fans with EC motors Pe 2800 W Electrical connections Motor junction box Alfa LU VE Rev 04 51 Alfa LU VE is a trademark registered and owned by LU VE Group Alfa LU VE reserves the right to change spec...

Страница 52: ...or 400 V 690 V 50 60 Hz electric network Their protection class except for condensing water outlet is IP54 or IP55 excluding waterholes as a standard The motors are prewired to the service switches IP...

Страница 53: ...ltiply the power value corresponding to 20 C from the product nameplate by the coefficient k given in the diagram at 10 C to calculate the power value corresponding to 10 C Figure 29 Motor power value...

Страница 54: ...tubing so that the nozzle angle corresponds to the fan speed Check the right nozzle angle from Table 5 Nozzle angle and fan speed on page 54 Lock the tubing in place The water flow is 0 5 l min for o...

Страница 55: ...ff Electric shock Wait for five minutes after disconnecting the voltage at all poles before opening the device WARNING Ensure free space in front of the electrical cabinet according to local regulatio...

Страница 56: ...probe installation to outlet connection The delivery includes the necessary documentation for the electrical connections in the electrical panel In the models with two fan rows SD SRD Modbus is wired...

Страница 57: ...3 m and 4 m legs Check the actual wind load and EQ classification from the datasheet The amount of legs and support beams depends on the local wind and snow loads and earthquake classification specia...

Страница 58: ...round and the basement of the unit are horizontal The vibration dampers are meant for vertical compression load 3 When damping a group of units place both the driving unit and the operated unit on a r...

Страница 59: ...Damper type ID number mm mm mm mm mm mm mm 34LV10 120 9460137767 76 105 50 45 M10 12 54 0 5 34LV10 200 9460007111 92 124 64 45 M10 12 66 40 34LV10 300 9460137768 108 143 74 46 M12 14 75 45 34LV10 1 l...

Страница 60: ...148 ANSI 3 9460080146 DN100 9460080149 ANSI 4 9460065882 DN125 9460080143 ANSI 5 9460065883 7 10 Options for AlfaSolar SR models Note These options are only for SR models 7 10 1 Connection options for...

Страница 61: ...Connection Box EMC CB EMC Table 8 Cable lengths for SR models Fan size 900 mm Fan size 1200 mm SRM Cable m SRD Cable m SRD Cable m 1A 4 1 2A 21 2 2A 11 2 1B 4 3 2B 22 8 2B 11 4 2A 9 6 2C 24 0 2C 12 0...

Страница 62: ...probe Provides temperature control for the liquid coolers Fan power supply cables are wired to the unit end The fan motors are supplied via tripping circuit breakers measuring both overcurrent and sh...

Страница 63: ...led at the factory Wired to a connection box beside the fans Optionally the wiring can be completed to the panel at the end of the air heat exchanger Can be used for continual condition monitoring and...

Страница 64: ...for Solar SR models See separate instructions for installing the AlfaSolar SR series handrails and ladders Figure 39 Handrail and ladder installation SR series Alfa LU VE Rev 04 64 Alfa LU VE is a tr...

Страница 65: ...ndard expansion tank is made from steel with a protective outer painting Tanks from AISI material do not require any protective painting The expansion tank is not a pressure vessel The required level...

Страница 66: ...ure that none of the components are damaged Ensure that the unit is firmly in position Check the fixing of the mechanical parts Check the cleanness of the heat transfer section Check the suitability o...

Страница 67: ...voltage test required by law The needed DC voltage corresponds to the peak value of the AC voltage required by the standard Alfa LU VE Rev 04 67 Alfa LU VE is a trademark registered and owned by LU VE...

Страница 68: ...nue the normal startup procedure Start up procedure 3 Before starting check that all the equipment fastening screws are properly tightened 4 Close the system inlet valve and open the outlet valve full...

Страница 69: ...s are in the OFF position Note Ensure that no expected or human error causes further supply of water and electric power 3 Follow the drainage instructions See Draining liquid cooler on page 74 Alfa LU...

Страница 70: ...ING Before starting the service operation ensure that the electrical supply is reliably isolated use the lockout tag out system Always check with a voltmeter that the unit is electrically isolated and...

Страница 71: ...the cleanness and visual condition of the heat transfer section clean the unit if needed 1 week Check the general liquid cooler conditions 1 month Check the fans visual condition and cleanness clean t...

Страница 72: ...cooler top cover plates as a service desk Alfa LU VE recommends installing handrails and using safety harness Solutions for handrails and mounting legs are available from Alfa LU VE 9 2 Stepping on u...

Страница 73: ...ilable from Alfa LU VE 9 3 Filling liquid cooler with fluid WARNING Follow the recommendation of the working fluid supplier Material Safety Data Sheet strictly Prevent the accidental release of fluid...

Страница 74: ...unit Prevent fluid escaping from the unit to the environment Note The unit does not drain fully with gravity Use pressurized air to complete emptying 9 5 Changing liquid to another liquid Operating th...

Страница 75: ...om the sea etc the build up of dirt can become serious and lead to the drastic reduction in the performance of the unit Depending on the amount of dirt the coil needs an appropriate cleaning plan Remo...

Страница 76: ...ge 76 where there is a 25 liter plastic can of degreaser and 5 liter hand spray system Clean the coil with water from the top of the coil The quantity consumed may vary depending on the amount of dirt...

Страница 77: ...he power of the EC fan remains on the fans are rotating with the minimum speed 9 8 Acceptable fan vibration level for single operating fan The manufacturer has tested the vibration levels of the insta...

Страница 78: ...load 50 C between mains wire and protective earth connection after switching of the supply when switching multiple devices in parallel Electric shock risk of injury Ensure that you have sufficient pro...

Страница 79: ...five minutes before opening the device 4 Disconnect all cables Disconnect the earth wire connection last 5 Open the motor bracket bolts and lift the fan unit up from the collar 6 Mount the new unit a...

Страница 80: ...shut down The rotating impeller may catch in your clothes cut you or pull you in WARNING Before starting the service operation ensure that the electrical supply is reliably isolated use the lockout t...

Страница 81: ...sealing spray at the shaft end HI TEMP 343 RTV Silicone rubber sealing spray prevents the water running along the joint between the impeller hub and the motor shaft into the motor 7 Place a washer at...

Страница 82: ...ller 9 Place the fan guard 10 Check the fan visually on a test run Alfa LU VE Rev 04 82 Alfa LU VE is a trademark registered and owned by LU VE Group Alfa LU VE reserves the right to change specificat...

Страница 83: ...r that the unit is electrically isolated and shut off WARNING Only an authorized electrician may perform the electric connections WARNING Sharp edges Use protection glasses safety gloves shoes and clo...

Страница 84: ...ap The minimum blade point gap is 3 mm for fan 914 5 mm for fan 1240 12 Replace the fan guard 13 Check the correct rotation direction and the fan s general functioning on a test run Always use spare p...

Страница 85: ...l regulations in demolishing the unit and in recovery recycling and discarding of refrigerants components and materials 10 3 Demolishing unit WARNING Ensure that the unit is electrically isolated and...

Страница 86: ...rial recycling and discharging Material Recycling Sheet metals Fe Zn To steel scrap EC fans frequence converter cabinets To electronic scrap authorized contractor Heat transfer section Cu tube Al fin...

Страница 87: ...are no obstacles for the air flow Wrong fan rotation direction Wrong phase sequence Change the connection on motor coupling or from the switch board Short of capacity Inlet air too warm Check the loca...

Страница 88: ...en stops Failure in supply voltage Check the loose connections fuses and control circuit Wrong fan motor type Ask the supplier about a correct type of fan Too low voltage at fan motor terminals becaus...

Страница 89: ...ng against fan collar Check the motor centering and fixing Motor ventilator is chafing against the cover Repair the fan or cover Ventilator hits on insulation Prevent the touch Abrasive noise in fan M...

Страница 90: ...ar EC fan Unit order number_EC_fan Impeller Unit order number_Impeller Service switch Unit order number_Service switch Streamer Unit order number_Streamer For the unit order number see the order or th...

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